package 图;
/**
 * https://leetcode-cn.com/problems/network-delay-time/solution/gong-shui-san-xie-yi-ti-wu-jie-wu-chong-oghpz/
 * 
 * 宫水三叶 对   图 的讲解：
 * 踏破铁鞋无觅处 ，得来全不费工夫！ 
 * 
 * @author I adore you
 *
 */
public class Note {

}
